SI5338C-B08990-GM

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Introduction

The SI5338C-B08990-GM clock is a highly reliable, silicon-level clock generator designed to provide timing solutions in numerous applications. This clocks operates using a variety of input clock sources to provide low-jitter, high-stability, and low-EMI/RFI clock output.

Application Field

SI5338C-B08990-GM clock is an ideal solution for applications that require CLK0/CLK2 to CLK7 outputs from 1Hz to 400MHz. The wide range of frequencies offer both targeted and general purpose applications, making it a cost-effective option for a number of different applications. Typical applications include warehouse delivery systems, traffic control systems, data center, medical imaging, industrial automation, as well as consumer and other consumer electronics/entertainment applications.

The SI5338C-B08990-GM clock provides a ±50ppm of input-to-output skew across all outputs while possessing adjustable output initial accuracy and output levels. Moreover, the device offers wide operating temperature range, up to -40°C to +85°C, enabling the clock to meet the requirements of tough environment applications.

Working Principle

The SI5338C-B08990-GM clock works by implementing a PLL inside the device to generate the output clocks. The device utilizes a wide variety of input clock sources, including a crystal oscillator, a base clock oscillator, and input divider to generate the desired output clocks.

The PLL is configured to receive an input clock signal that is then phase-shifted by the input divider phase shifting loop and fed into the phase-locked loop. This signal is then phase shifter circuit allowing the user to create optimized phase shift between the output clocks.

The phase shifted signal is then used to modulate the width of the output clock signal. This allows the SI5338C-B08990-GM clock to generate any output frequency between 1-400MHz depending on the combination of input and output frequencies.

Additionally, the SI5338C-B08990-GM can be programmed to operate at different clock ratios. This allows the user to generate multiple output frequencies with a single PLL circuit, eliminating the need for additional PLLs and reducing cost.

Finally, the SI5338C-B08990-GM is built with an integrated power management system and a programmable output voltage selection, allowing the system to maintain an optimal output voltage level even at high temperatures.

Conclusion

The SI5338C-B08990-GM clock offers reliable, low-EMI/RFI, and low-jitter clock output for a variety of applications. The SI5338C-B08990-GM implements a PLL circuit to generate low-jitter, high-stability, and low-EMI/RFI clock output from a variety of input clock sources. The device provides adjustable output initial accuracy and output levels and wide operating temperature range, up to -40°C to +85°C.

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